Add missing dependency on auth migratons in translate models

Fixes #1090
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/migrations/0001_initial.py

@@ -14,6 +14,7 @@ class Migration(migrations.Migration):
     dependencies = [
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
         ('lang', '0001_initial'),
+        ('auth', '0001_initial'),
     ]
 
     operations = [